谁能说说这支镜头的光学结构？ 本帖最后由 siliconworm 于 2013-8-8 18:24 编辑

看着像望远镜啊，而且感光元件应该巨小 本帖最后由 siliconworm 于 2013-8-10 03:32 编辑

这个是wiki中世界上最快的镜头了，没有找到相关信息，来点Solid Schmidt的相关资料，据说可以达到F0.3，比蔡司这个假的还牛啊。

American Optical 81mm f/0.38 Solid Schmidt Mirror lens

不错，国产镜头也榜上有名了

Some of the fastest camera lenses currently in production as of 2011 are as follows:

    Cosina Voigtländer Nokton 17.5mm f/0.95 Micro Four Thirds mount[3]
    Cosina Voigtländer Nokton 25mm f/0.95 Micro Four Thirds mount, announced 26/8/2010[4]
    Leica Noctilux-M 50 mm f/0.95 ASPH announced on September 15, 2008, it is the fastest aspherical lens to have ever reached mass production, with a MSRP of £6290 (approximately US$10,000).[5]
    SLR Magic HyperPrime LM 50mm T0.95 (f/0.92)
    Noktor 50mm f/0.95 'HyperPrime'[6] a fast CCTV lens design adapted for the Micro Four Thirds system[7]
    SLR Magic 25mm T/0.95
    SLR Magic 35mm T/0.95

The following camera lenses are no longer in production as of 2010:

    Carl Zeiss Super-Q-Gigantar 40mm f/0.33 Not a real functional lens, a single copy was made by Zeiss PR as a joke for Photokina 1966
    American Optical 81mm f/0.38 Solid Schmidt Mirror lens
    GOI CV 20mm f/0.5 Mirror lens
    Signal Corps Engineering 33mm f/0.6
    GOI Iskra-3 72mm f/0.65 Mirror lens
    Fujinon-IDEAX 125mm f/0.67
    Zeiss Planar 50mm f/0.7 Limited production lens built for the NASA space program, used on 35mm movie cameras by Stanley Kubrick for some candlelit scenes in Barry Lyndon[8]
    Tokyo Kogaku Similar 50mm f/0.7 8 elements in 4 groups, limited produced in 1944 for Japanese Army. (In 1951 another three were produced, two of which were used on a South Pole expedition)
    Kinoptik Lynxar 60mm f/0.7 Reproduction lens, not for photography.
    Wray 64mm f/0.71 Reproduction lens, not for photography.
    LOMO 60mm f/0.75 Reproduction lens, not for photography.
    Aerojet Delft Rayxar 105mm f/0.75 Full Frame aerial photography lens
    Aerojet Delft Rayxar 150mm f/0.75 Medium Format aerial photography lens
    American Optical 43mm f/0.8
    Leica Summar 75mm f/0.85
    Leica Leitz-IR 150mm f/0.85
    Farrand Super Farron 76mm f/0.87
    Farrand Super Farron 150mm f/0.87 Medium Format aerial photography lens
    Рекорд-4 52mm f/0.9
    Nikon TV-Nikkor 35mm f/0.9 Fastest Nikon lens ever made
    Noktor HyperPrime CINE 50mm f/0.92 T0.95, Fastest cinema lens made for 35mm interchangeable lens camera
    Canon 50mm f/0.95 Available in TV and Canon 7 Rangefinder Version
    Astro Berlin 52mm f/0.95
    Perkin Elmer 114mm f/0.95 Medium Format aerial photography lens
    Pacific Optical 25mm f/1.0 Medium Format Fish-eye lens. Only 3 were ever made for the Canadian Government for aurora borealis research in the late 60s/early 70s. One of these lenses was used in the production of the IMAX movie Solarmax
    Leica Noctilux 50mm f/1.0 Leica M mount, discontinued and replaced 2008 with a new Noctilux, see above
    Canon EF 50mm f/1.0 for Canon autofocus SLR, now out of production
    Panavision 50mm f/1.0
    Nikkor-O 50mm f/1.0 Prototype lens for Nikkor-S RangeFinder camera
    Noct-Nikkor 58mm f/1.2
    Leica ELCAN 90mm f/1.0
    Wild Heerbrugg Reconar 98mm f/1.0 Medium Format aerial photography lens
    Kollmorgen 153mm f/1.0
    Zeiss UR 250mm f/1.0
    Canon 8.5–25.5 mm f/1.0 zoom lens, made 1975–1983 for the 310XL Super 8mm silent and sound camera series, fastest lens ever made in Super8, was originally advertised as facilitating "shooting at candlelight" in combination with 160-ASA films.[9]
    Zoomatar 75mm f/1.3
    Zoomatar 180mm f/1.3
    Super-Zoomatar 240mm f/1.2

Many very fast lenses exist in C-mount (such as used by CCTVs), including:

    Fujinon 50mm f/0.7
    Canon 'TV-16' 25mm f/0.78
    Apollo 25mm f/0.85
    Ernitec 25mm f/0.85
    Fujinon 25mm f/0.85
    Tarcus 25mm f/0.85
    Kern Switar 18mm f/0.9 built for NASA for Apollo Moon landing [10]
    Ampex 'LE610 Television Lens' 25mm f/0.95
    Angenieux 'M1' and 'M2' 25mm f/0.95 NASA used the M1 for first high-resolution photographs of the Moon by Ranger 7)
    Angenieux 35mm f/0.95
    Angenieux 50mm f/0.95
    AstroScope 25mm f/0.95
    Avenir 25mm f/0.95
    Century 'Nighthawk' 25mm f/0.95
    Carl Meyer 25mm f/0.95
    Cinetar 25mm f/0.95
    Goyo Optical 17mm, 25mm, and 50mm f/0.95
    JML 25mm and 50mm f/0.95
    Navitar 25mm and 50mm f/0.95
    Navitron 25mm and 50mm f/0.95
    Schneider Kreuznach 'Xenon' 17mm, 25mm, and 50mm f/0.95
    Senko 25mm and 50mm f/0.95
    Soligor 'Super Elitar' 25mm f/0.95
    Som Berthiot 'Cinor' 25mm and 50mm f/0.95
    Tarcus 'I.T.V. Lens' 50mm f/0.95
    Kowa 50mm f/0.95
    Yakumo 25mm and 50mm f/0.95
    Zeika 'Nominar' 25mm f/0.95
    Dallmeyer 25mm f/0.99 (1930)
    Astro Berlin 25mm f/1.0
    Astro Berlin 'Tachonar' 35mm f/1.0
    Carl Meyer 38mm f/1.0
    RTH (Rank/Taylor Hobson) Monital 130mm f/1.0 made by SOPELEM in France

Very fast lenses in D-mount for 8mm movie use on H8 cameras:

    Kern Switar 13mm f/0.9
    Cinetor 'TELE-PHOTO' 37.5mm f/1.0
    Walz 'TELEPHOTO' 37.5mm f/1.0
    Amitar 'Telephoto' 38.1mm f/1.0

Very fast lenses used in x-ray machines:

    Zeiss R-Biotar 100mm f/0.73
    LOMO 100mm f/0.73
    Canon 50mm/65mm f/0.75
    Leitz 50mm/65mm f/0.75
    Rayxar 50mm/65mm/150mm f/0.75
    Tachon Astro-Berlin 65mm f/0.75
    Rodenstock XR-Heligon 42mm/50mm f/0.75
    Rodenstock XR-Heligon 68mm f/0.95 etc.
    Kowa 42mm/65mm f/0.75
    Carl Zeiss Jena 50mm f/0.77
    Kowa 55mm f/0.8
    Zeiss R-Biotar 55mm f/0.85
    Lenzar Optics 184.6mm f/0.9 (Photographic lens made by Lenzar Optics Corp., Riviera Beach FL, f0.9–f8)
    Kowa 33.5mm f/0.95
    Kowa 55mm f/1.0
    Rodenstock Heligon 68mm f/1.0
    Canon 90mm f/1.0
    Fuji 90mm f/1.0
    Kowa 90mm f/1.0
    Leitz 90mm f/1.0
    Mt Prospect 90mm f/1.0
    Zeiss R-Biotar 120mm f/1.0

计算标注光圈和实际光圈是有区别的，不要搞混了

8万欧买一个蔡司的玩笑不贵哈~
毕竟只有一个

我去！原来是个水晶球啊！难道那年代这玩意儿也流行放卫星？ 本帖最后由 siliconworm 于 2013-8-9 12:58 编辑

顶顶顶

结构图有木有？

瞻仰神头

按照蔡司的命名习惯
是Gigantar